﻿// Copyright (c) 2008, Colin Burn
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 
// * Neither the name of WTCL nor the names of its contributors may be
// used to endorse or promote products derived from this software
// without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using System.Windows.Media;

namespace WTCL.Data.Series
{
    public abstract class SeriesBase<T>
    {
        private Brush brush = Brushes.Black;
        public Brush Brush
        {
            get { return this.brush; }
            set { this.brush = value; }
        }

        private Pen pen = new Pen(Brushes.Black, 1);
        public Pen Pen
        {
            get { return this.pen; }
            set { this.pen = value; }
        }

        private ObservableCollection<T> samples = new ObservableCollection<T>();
        public ObservableCollection<T> Samples
        {
            get { return this.samples; }
            set
            {
                this.samples.CollectionChanged -= new NotifyCollectionChangedEventHandler(OnSamplesChanged);

                if (value == null)
                {
                    this.samples = new ObservableCollection<T>();
                }
                else
                {
                    this.samples = value;
                }

                this.samples.CollectionChanged += new NotifyCollectionChangedEventHandler(OnSamplesChanged);
            }
        }

        internal SeriesBase()
        {
            this.samples.CollectionChanged += new NotifyCollectionChangedEventHandler(OnSamplesChanged);
        }

        private void OnSamplesChanged(object sender, NotifyCollectionChangedEventArgs e)
        {
            OnDataChanged(e);
        }

        protected abstract void OnDataChanged(NotifyCollectionChangedEventArgs e);
    }
}
